Scaling Bitcoin: Schnorr Signatures
Schnorr Signatures are an exciting innovation that can help scale on-chain transactions and improve privacy and security of participants. The majority of the work is…
The Anatomy of Proof-of-Work
Proof-of-Work (PoW) was originally invented as a measure against email spams. Only later it was adapted to be used in digital cash [1]. What PoW…
Stuck transaction? How to fix this dreaded problem using the power of bitcoin
I have some of my bitcoin in Bread wallet and use it for sending bitcoin for everyday transactions. When sending a transaction, Bread gives you…
Segwit2x Bugs Explained
The Segwit2x hard fork was called off a little over a week ago in an email post to the 2x mailing list. Several parties threatened…
Replay protection schemes in Segwit2X
With the recent Bitcoin Gold fork and planned Segwit2X fork in mid-November, the topic of keeping coins safe after disruptive events is especially relevant. As…
How to Protect Against Replay Attacks
Jeff Garzik recently reverted opt-in replay protection on the btc1 GitHub. This is causing some anxiety as many believe this lack of replay protection will…
What is a Bitcoin Merklized Abstract Syntax Tree (MAST)?
Merklized Abstract Syntax Trees (MAST) are a proposed addition to Bitcoin that allows for smaller transaction sizes, more privacy, and larger smart contracts. In this…
Bitcoin Gold: What you need to know
There’s a Bitcoin hard fork around the corner and it’s not 2x. Announced right before Bitcoin Cash forked, Bitcoin Gold is scheduled to go live…
How Segwit2x Replay Protection Works
Note: This replay protection scheme has since been reverted! Please make sure you DO NOT use the protection scheme from this article for anything as…
Atomic Swaps
Decred and Litecoin completed something called a cross-chain atomic swap a few days ago. They published a blog about it, created a GitHub repo with…